Diffusion of a substance across the cell membrane is influenced by all of the following except
A)hydrolysis of ATP.
B)the presence of the membrane channels.
C)the charge on the ion.
D)concentration gradient.
E)lipid solubility.

Question

Quizplus · Accepted Answer

Diffusion is a passive process that does not require ATP hydrolysis. The other factors listed (membrane channels, charge on ion, concentration gradient, and lipid solubility) all play a role in the diffusion of a substance across the cell membrane.

Diffusion of a Substance Across the Cell Membrane Is Influenced